Перечислите все свойства класса WMI в Переполнение стека

Вы можете использовать GetObject метод, чтобы получить экземпляр класса WMI и используя GetNames Метод, который вы можете получить имена свойств.

Попробуйте этот образец.

#include "stdafx.h"#define _WIN32_DCOM
#include <iostream>
using namespace std;
#include <comdef.h>
#include <Wbemidl.h>
# pragma comment(lib, "wbemuuid.lib")

#pragma argsused
int main(int argc, char* argv[])
{
BSTR strNetworkResource;
//To use a WMI remote connection set localconn to false and configure the values of the pszName, pszPwd and the name of the remote machine in strNetworkResource
bool localconn = true;
strNetworkResource = localconn ?  L"\\\\.\\root\\CIMV2" : L"\\\\remote--machine\\root\\CIMV2";

// Initialize COM. ------------------------------------------

HRESULT hres;
hres =  CoInitializeEx(0, COINIT_MULTITHREADED);
if (FAILED(hres))
{
cout << "Failed to initialize COM library. Error code = 0x" << hex << hres << endl;
cout << _com_error(hres).ErrorMessage() << endl;
cout << "press enter to exit" << endl;
cin.get();
return 1;                  // Program has failed.
}

// Set general COM security levels --------------------------hres =  CoInitializeSecurity(
NULL,
-1,                          // COM authentication
NULL,                        // Authentication services
NULL,                        // Reserved
RPC_C_AUTHN_LEVEL_DEFAULT,   // Default authentication
RPC_C_IMP_LEVEL_IMPERSONATE, // Default Impersonation
NULL,                        // Authentication info
EOAC_NONE,                   // Additional capabilities
NULL                         // Reserved
);if (FAILED(hres))
{
cout << "Failed to initialize security. Error code = 0x" << hex << hres << endl;
cout << _com_error(hres).ErrorMessage() << endl;
CoUninitialize();
cout << "press enter to exit" << endl;
cin.get();
return 1;                    // Program has failed.
}

// Obtain the initial locator to WMI -------------------------

IWbemLocator *pLoc = NULL;
hres = CoCreateInstance(CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, IID_IWbemLocator, (LPVOID *) &pLoc);

if (FAILED(hres))
{
cout << "Failed to create IWbemLocator object." << " Err code = 0x" << hex << hres << endl;
cout << _com_error(hres).ErrorMessage() << endl;
CoUninitialize();
cout << "press enter to exit" << endl;
cin.get();
return 1;                 // Program has failed.
}

// Connect to WMI through the IWbemLocator::ConnectServer method

IWbemServices *pSvc = NULL;hres = pLoc->ConnectServer(
_bstr_t(strNetworkResource),      // Object path of WMI namespace
NULL,                    // User name. NULL = current user
NULL,                    // User password. NULL = current
0,                       // Locale. NULL indicates current
NULL,                    // Security flags.
0,                       // Authority (e.g. Kerberos)
0,                       // Context object
&pSvc                    // pointer to IWbemServices proxy
);

if (FAILED(hres))
{
cout << "Could not connect. Error code = 0x" << hex << hres << endl;
cout << _com_error(hres).ErrorMessage() << endl;
pLoc->Release();
CoUninitialize();
cout << "press enter to exit" << endl;
cin.get();
return 1;                // Program has failed.
}

cout << "Connected to root\\CIMV2 WMI namespace" << endl;

// Set security levels on the proxy -------------------------

hres = CoSetProxyBlanket(
pSvc,                        // Indicates the proxy to set
RPC_C_AUTHN_WINNT,           // RPC_C_AUTHN_xxx
RPC_C_AUTHZ_NONE,            // RPC_C_AUTHZ_xxx
NULL,                        // Server principal name
RPC_C_AUTHN_LEVEL_CALL,      // RPC_C_AUTHN_LEVEL_xxx
RPC_C_IMP_LEVEL_IMPERSONATE, // RPC_C_IMP_LEVEL_xxx
NULL,                        // client identity
EOAC_NONE                    // proxy capabilities
);if (FAILED(hres))
{
cout << "Could not set proxy blanket. Error code = 0x" << hex << hres << endl;
cout << _com_error(hres).ErrorMessage() << endl;
pSvc->Release();
pLoc->Release();
CoUninitialize();
cout << "press enter to exit" << endl;
cin.get();
return 1;               // Program has failed.
}

// Use the IWbemServices pointer to make requests of WMI ----
IWbemClassObject* pClass = NULL;
hres = pSvc->GetObject(L"Win32_Process", 0, NULL, &pClass, NULL);

if (FAILED(hres))
{
cout << "GetObject failed" << " Error code = 0x"    << hex << hres << endl;
cout << _com_error(hres).ErrorMessage() << endl;
pSvc->Release();
pLoc->Release();
CoUninitialize();
cout << "press enter to exit" << endl;
cin.get();
return 1;               // Program has failed.
}

SAFEARRAY *psaNames = NULL;
hres = pClass->GetNames(
NULL,
WBEM_FLAG_ALWAYS | WBEM_FLAG_NONSYSTEM_ONLY,
NULL,
&psaNames);if (FAILED(hres))
{
cout << "GetNames failed" << " Error code = 0x" << hex << hres << endl;
cout << _com_error(hres).ErrorMessage() << endl;
pSvc->Release();
pLoc->Release();
CoUninitialize();
cout << "press enter to exit" << endl;
cin.get();
return 1;               // Program has failed.
}// Get the number of properties.
long lLower, lUpper;
BSTR PropName = NULL;
SafeArrayGetLBound(psaNames, 1, &lLower);
SafeArrayGetUBound(psaNames, 1, &lUpper);

for (long i = lLower; i <= lUpper; i++)
{
// Get this property.
hres = SafeArrayGetElement(
psaNames,
&i,
&PropName);

wcout << PropName<< endl;
SysFreeString(PropName);
}

SafeArrayDestroy(psaNames);
ULONG uReturn = 0;pSvc->Release();
pLoc->Release();

CoUninitialize();
cout << "press enter to exit" << endl;
cin.get();
return 0;   // Program successfully completed.
}